EP 1992501 B1 20110330 - TIRE NOISE REDUCTION DEVICE AND PNEUMATIC TIRE
Title (en)
TIRE NOISE REDUCTION DEVICE AND PNEUMATIC TIRE
Title (de)
REIFENLÄRMVERRINGERUNGSVORRICHTUNG UND LUFTREIFEN
Title (fr)
DISPOSITIF REDUCTEUR DE BRUIT DE PNEU ET PNEU
Publication
Application
Priority
- JP 2007050167 W 20070110
- JP 2006064399 A 20060309
Abstract (en)
[origin: EP1992501A1] Disclosed is a tire noise reduction device to be mounted on the inner surface of the tread portion of a pneumatic tire facing its cavity. The tire noise reduction device includes an annular fixing elastic band and sound absorbing members disposed on the inner surface of the tread portion opposite to each other at two locations around its circumference by the fixing elastic band. The fixing elastic band has an outer peripheral length L defined in a certain range in relationship with the mass Wa of the sound absorbing members, the total mass We of the tire noise reduction device, and the inner peripheral length Li of the tire.
IPC 8 full level
B60C 5/00 (2006.01)
CPC (source: EP US)
B60C 19/002 (2013.01 - EP US); Y10T 152/10495 (2015.01 - EP US)
Designated contracting state (EPC)
DE
DOCDB simple family (publication)
EP 1992501 A1 20081119; EP 1992501 A4 20091104; EP 1992501 B1 20110330; CN 101395014 A 20090325; CN 101395014 B 20100602; DE 602007013536 D1 20110512; JP 2007237962 A 20070920; JP 4522958 B2 20100811; US 2009090446 A1 20090409; WO 2007102279 A1 20070913
DOCDB simple family (application)
EP 07706514 A 20070110; CN 200780008139 A 20070110; DE 602007013536 T 20070110; JP 2006064399 A 20060309; JP 2007050167 W 20070110; US 27866607 A 20070110